94 V8 -Check engine- O2 sensor?
My check engine light has been on for some time now and I've been to autozone and had them hook up their computer and it says that I have a bad o2 sensor. Should I trust and and just change the sensor? Someone suggested that I may just have a vacuum leak. If I do need to change the sensor, how do I change it. I haven't been able to find that sucker.
Thanks
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